html,body {
	width: 100%;
	height: 100%;
	background: white;
}
		/*work_banner*/
		.work_banner {
			width: 100%;
			height: 303px;
			background: url(../images/workbanner.jpg) no-repeat center;
			background-size: auto 100%;
		}
		/*work_conntent*/
		.work_conntent {
			position: relative;
			width: 100%;
			height: 550px;
			background: white;
		}
			.w_c_con {
				position: inherit;
				top: 10px;
				width: 1000px;
				height: 420px;
			}
				.w_c_con ul {
					height: 100%;
					width: 100%;
				}
					.w_c_con ul li {
						height: 60px;
						width: 100%;
						background: #F1F1F1;
						margin-top: 40px;
						line-height: 60px;
					}
						.work_title {
							float: left;
							width: 420px;
							margin-left: 20px;
							font-size: 18px;
							font-weight: bold;
						}
						.work_qq {
							float: left;
							margin-left: 100px;
						}
						.w_c_con ul li img {
							float: left;
							margin-left: 260px;
							margin-top: 20px;
						}
			@media screen and (max-width: 1250px){
				.work_banner,.contact_us,.work_conntent {
					width: 1250px;
				}
			}
